Recognition of Facial Expressions under Varying Conditions Using Dual-Feature Fusion

Table 6

Confusion matrix of recognition accuracy for CK+.

Method	Fear (%)	Disgust (%)	Angry (%)	Surprised (%)	Sad (%)	Happy (%)	Mean (%)
Chen et al. [10]	92.50	86.20	96.10	96.40	94.10	98.20	91.20
Cruz et al. [11]	89.33	91.58	93.52	94.75	87.00	100.00	92.69
Ghimire et al. [6]	96.00	96.67	97.50	100.00	93.33	100.00	97.80
Chen et al. [12]	91.70	94.30	95.60	97.50	89.40	95.90	93.80
Alphonse and Dharma [13]	99.23	97.36	92.77	99.55	98.69	98.69	97.715
Yu et al. [14]	99.71	99.68	100.00	100.00	99.14	99.89	99.73
Proposed method	95.00	100.00	97.80	98.90	100.00	100.00	98.62